tor-android/external/badvpn_dns/system/BLockReactor.h

59 lines
2.2 KiB
C

/**
* @file BLockReactor.h
* @author Ambroz Bizjak <ambrop7@gmail.com>
*
* @section LICENSE
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef BADVPN_B_LOCK_REACTOR_H
#define BADVPN_B_LOCK_REACTOR_H
#include <semaphore.h>
#include <misc/debug.h>
#include <base/DebugObject.h>
#include <system/BReactor.h>
#include <system/BThreadSignal.h>
typedef struct BLockReactor_s BLockReactor;
struct BLockReactor_s {
BReactor *reactor;
BThreadSignal thread_signal;
sem_t sem1;
sem_t sem2;
#ifndef NDEBUG
int locked;
#endif
DebugObject d_obj;
};
int BLockReactor_Init (BLockReactor *o, BReactor *reactor) WARN_UNUSED;
void BLockReactor_Free (BLockReactor *o);
int BLockReactor_Thread_Lock (BLockReactor *o);
void BLockReactor_Thread_Unlock (BLockReactor *o);
#endif